78717339

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 133816320

約数和(自身を除く): 55098981

約数列:

[1, 3, 9, 23, 27, 29, 31, 47, 69, 81, 87, 93, 141, 207, 261, 279, 423, 621, 667, 713, 783, 837, 899, 1081, 1269, 1363, 1457, 1863, 2001, 2139, 2349, 2511, 2697, 3243, 3807, 4089, 4371, 6003, 6417, 8091, 9729, 12267, 13113, 18009, 19251, 20677, 24273, 29187, 31349, 33511, 36801, 39339, 42253, 54027, 57753, 62031, 72819, 87561, 94047, 100533, 110403, 118017, 126759, 186093, 282141, 301599, 380277, 558279, 846423, 904797, 971819, 1140831, 1674837, 2539269, 2714391, 2915457, 3422493, 8746371, 26239113, 78717339]

約数ペア:

[(1, 78717339), (3, 26239113), (9, 8746371), (23, 3422493), (27, 2915457), (29, 2714391), (31, 2539269), (47, 1674837), (69, 1140831), (81, 971819), (87, 904797), (93, 846423), (141, 558279), (207, 380277), (261, 301599), (279, 282141), (423, 186093), (621, 126759), (667, 118017), (713, 110403), (783, 100533), (837, 94047), (899, 87561), (1081, 72819), (1269, 62031), (1363, 57753), (1457, 54027), (1863, 42253), (2001, 39339), (2139, 36801), (2349, 33511), (2511, 31349), (2697, 29187), (3243, 24273), (3807, 20677), (4089, 19251), (4371, 18009), (6003, 13113), (6417, 12267), (8091, 9729)]